RK73H Precision Thick Film Chip Resistor
The RK73H series is a precision thick film chip resistor offering 0.5% and 1% tolerances. Designed with lead-free terminations, these resistors meet EU RoHS requirements. They are AEC-Q200 Qualified and suitable for a wide range of applications requiring reliable resistance values. The protective coating, inner electrode, resistive film, and ceramic substrate are key construction elements. These resistors are available in various sizes and packaging options to suit different manufacturing needs.
Product Attributes
- Brand: KOA Speer Electronics, Inc.
- Certifications: EU RoHS, AEC-Q200 Qualified
- Material: Thick film, Lead-free terminations
Technical Specifications
| Type (Inch Size Code) | L (mm) | W (mm) | d (mm) | t (mm) | Power Rating (W) | Max. Working Voltage (V) | Operating Temp. Range (C) | T.C.R. (x10-6/K) | Resistance Range | Tolerance |
|---|---|---|---|---|---|---|---|---|---|---|
| 1F (01005) | 0.4 (0.016) | 0.2 (0.008) | 0.1 (0.004) | 0.11 (0.004) | 0.03 | 20 | -55 to +125 | 250 | 10 - 91k1 | 0.5%, 1% |
| 1H (0201) | 0.6 (0.024) | 0.3 (0.012) | 0.1 (0.004) | 0.1 (0.004) | 0.05 | 25 | -55 to +125 | 200 | 10 - 1M | 0.5%, 1% |
| 1E (0402) | 1.0 (0.039) | 0.5 (0.02) | 0.15 (0.006) | 0.15 (0.006) | 0.1 | 50 | -55 to +155 | 200 | 10 - 10M1 | 0.5%, 1% |
| 1J (0603) | 1.6 (0.063) | 0.8 (0.031) | 0.2 (0.008) | 0.2 (0.008) | 0.125 | 50 | -55 to +155 | 200 | 10 - 1M | 0.5%, 1% |
| 2A (0805) | 2.0 (0.079) | 1.25 (0.049) | 0.2 (0.008) | 0.23 (0.009) | 0.25 | 75 | -55 to +155 | 100, 200 | 10 - 1M | 0.5%, 1% |
| 2B (1206) | 3.2 (0.126) | 1.6 (0.063) | 0.3 (0.012) | 0.3 (0.012) | 0.25 | 100 | -55 to +155 | 100, 200 | 10 - 1M | 0.5%, 1% |
| 2E (1210) | 2.6 (0.102) | 1.6 (0.063) | 0.3 (0.012) | 0.3 (0.012) | 0.5 | 150 | -55 to +155 | 100, 200 | 10 - 1M | 0.5%, 1% |
| 2H/W2H (2010) | 5.0 (0.197) | 2.5 (0.098) | 0.4 (0.016) | 0.4 (0.016) | 0.75 | 200 | -55 to +155 | 100, 200 | 10 - 1M | 0.5%, 1% |
| 3A/W3A (2512) | 6.3 (0.248) | 3.1 (0.122) | 0.4 (0.016) | 0.4 (0.016) | 1.0 | 200 | -55 to +155 | 100, 200 | 10 - 1M | 0.5%, 1% |
| W3A2 (2512) | 6.3 (0.248) | 3.1 (0.122) | 0.4 (0.016) | 0.4 (0.016) | 2.0 | 400 | -55 to +155 | 100, 200 | 10 - 1M | 0.5%, 1% |
Performance Characteristics
| Parameter | Requirement | Limit |
|---|---|---|
| Resistance | Within specified tolerance | |
| T.C.R. | Within specified T.C.R. | |
| Overload (Short time) | Rated Voltage x 2.5 for 5 seconds (1E, 2B, W3A2: Rated Voltage x 2 for 5 seconds) | 2% |
| Resistance to Soldering Heat | 260C 5C, 10 seconds 1 second | 1%: 1F ~ W3A2 (10R1M); 3%: 1H ~ W3A2 (R<10, R>1M) |
| Rapid Change of Temperature | -55C (30 min), +125C (30 min), 100 cycles | 1%: 1F; 0.5%: Another |
| Moisture Resistance | 40C 2C, 90%-95% RH, 1000 hours | 2%: 1J, 2A, 2B; 3%: Another |
| Endurance at 70C | 70C 2C, 1000 hours | 2%: 1J, 2A, 2B; 3%: Another |
| High Temperature Exposure | +125C, 1000 hours: 1F; +155C, 1000 hours: 1E, 1H, 1J, 2A, 2B, 2E, 2H/W2H, 3A/W3A/W3A2 | 1% |
2410121530_KOA-RK73H1HTTC6193F_C5242648.pdf
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